发明名称 Ladder stand
摘要 The invention relates to a ladder stand for an upright columnar member such as a tree, pole or the like. The stand includes a pair of jaws, one of which is remotely moveable so that the platform can be safely secured to the tree before the ladder is climbed. After the user climbs down, the jaws can be disengaged from the tree and the ladder stand removed.
申请公布号 US5332063(A) 申请公布日期 1994.07.26
申请号 US19920999165 申请日期 1992.12.31
申请人 AMACKER, JOSEPH A. 发明人 AMACKER, JOSEPH A.
分类号 A47C9/10;E06C1/34;E06C7/16;(IPC1-7):A45F3/26 主分类号 A47C9/10
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